. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. CROCODILIANS, LIZARDS, AND SNAKES. Zamenis constrictor Linna-us—Continued. GREEN AND YELLOW FORM—Continued. 797 „ . , ' Number Locality. 13797 13002 10429 1376t 14533 1G354 14765 16664 Baird, Shasta County, California. New Orleans Louisiana .. Stockton, California Fort Klamath, Oregon Fort Custer, Montana San Diego, California Raccoon River, D e s Moines. Iowa. Denver, Colorado When collected. From whom received. Nature of specimen. C. H. T


. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. CROCODILIANS, LIZARDS, AND SNAKES. Zamenis constrictor Linna-us—Continued. GREEN AND YELLOW FORM—Continued. 797 „ . , ' Number Locality. 13797 13002 10429 1376t 14533 1G354 14765 16664 Baird, Shasta County, California. New Orleans Louisiana .. Stockton, California Fort Klamath, Oregon Fort Custer, Montana San Diego, California Raccoon River, D e s Moines. Iowa. Denver, Colorado When collected. From whom received. Nature of specimen. C. H. Townsen d Alcoholic. R. W. L. Belding Capt. Bendire do C. R. Orcutt Call. , do. do. do. do. do. do. do. TOUNG SPECIMENS. 1757 1785 2176 4736 5549 2 2 1 1775 445 1 10718 100S5 5354 2030 ?? 2003 8433 1784 Klamath Lake, Oregon —do ...do Micanopy, Florida Pensacola, Florida The Dalles, Oregon Grosse Isle, Michigan. Ogden, Utah Hughes, Ohio Kansas Fort Conrad, New Mexico. Pole Creek Pass, Wyo- ming. Tierra Amarilla, New Mexico. Salt Lake Valley Exploring Expedition. —do Dr. W. A. Hammond, Governor Stevens Rev. C. Fox Davis ". Shepherd Dr. F. V. Hayden Lieut. R. S. Williamson, Prof. E. D. Cope J. Alcoholic, do. do. do. do. do. (Type of ) Alcoholic. do. do. do. do. do. do. ZAMENIS STEJNEGERIANUS Cope. Zameuis stejuegerianus Cope, American Naturalist, XXIX, 1895, p. 678. In the present species the profile is gently convex, and the rostral plate is slightly prominent. The frontal plate has straight lateral bor- ders, and its anterior angles are well removed from the preocular plates. The loreal is twice as long as deep, and its superior posterior corner is cut oft" as a separate phite on both sides, and on one a third loreal is cut off below. The eight superior labials are regular and apparently normal. The parietals are truncate posteriorly, and are bounded by three tem


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